23.05
sat
sat
Day
82°F
W 17 mph
Precip.
100%
100%
Night
79°F
W 16 mph
Precip.
100%
100%
24.05
sun
sun
Day
82°F
W 16 mph
Precip.
100%
100%
Night
79°F
W 16 mph
Precip.
100%
100%
25.05
mon
mon
Day
81°F
W 16 mph
Precip.
100%
100%
Night
79°F
W 17 mph
Precip.
0%
0%
26.05
tue
tue
Day
82°F
W 17 mph
Precip.
0%
0%
Night
79°F
W 16 mph
Precip.
66%
66%
27.05
wed
wed
Day
84°F
W 16 mph
Precip.
0%
0%
Night
81°F
W 17 mph
Precip.
81%
81%
28.05
thu
thu
Day
84°F
W 16 mph
Precip.
25%
25%
Night
81°F
W 16 mph
Precip.
100%
100%
29.05
fri
fri
Day
82°F
W 17 mph
Precip.
69%
69%
Night
81°F
W 17 mph
Precip.
100%
100%
sea water
temperature
temperature
| Castries |
monthly
weather
weather
| Castries |
current
weather
weather
| Castries |
14 days
forecast
forecast
| Castries |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 82.4°F. The highest and lowest sea temperatures during the month were 82.6°F and 81.9°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 82.4°F. The highest and lowest sea temperatures during the month were 82.8°F and 81.9°F.
Air temperature in Castries, °F
Precipitation total in Castries, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Castries
Castries on a weather map
24 Hours Forecast
Castries
Local time: 13:58
May 23, saturday
1500
82°F
W
17 mph
17 mph
1800
81°F
W
17 mph
17 mph
2100
79°F
W
17 mph
17 mph
May 24, sunday
0000
79°F
W
16 mph
16 mph
0300
79°F
W
17 mph
17 mph
0600
79°F
W
16 mph
16 mph
0900
81°F
W
17 mph
17 mph
1200
82°F
W
16 mph
16 mph
